Tech 101: Spoofing a MAC Address in macOS High Sierra
In this article, we’ll show you how to spoof a MAC address on a macOS computer running High Sierra. This is a technique for changing the factory-assigned physical Media Access Control (MAC) address of a network interface on a...

How to Format a New Internal SSD in macOS High Sierra
Recently, some OWC customers have reported experiencing a situation where their new SSD will not show up in Disk Utility in High Sierra. Although Disk Utility should always be tried first, a Mac’s Terminal can be used to format the...

How to Disable Downloading of macOS High Sierra
If you’re among those who do not want to upgrade to macOS 10.13, MacPerformanceGuide.com has put together a quick guide to disabling the downloading of High Sierra. Check out the instructions below: Open a Terminal window, and paste in...

Mac Safari Browser A Close Look at Safari Extensions in macOS High Sierra
Many Mac users are unaware of Safari extensions, which are actually small applications that run as part of the Safari browser to add functionality to the browser. Apple improved Safari extensions in macOS 10.13 High Sierra, making them easier...

macOS High Sierra Siri icon Hands On: What’s New With Siri in macOS High Sierra
Apple’s intelligent assistant — Siri — received a bit of an update during the recent upgrade from macOS 10.12 Sierra to macOS 10.13 High Sierra. While the improvements aren’t earth-shattering, they do make using Siri on the Mac more...

How to Perform a Clean Install of macOS High Sierra
Sometimes it’s a good idea to do a clean install of a new Mac operating system version. What’s a clean install? That means that the hard drive is erased completely and reformatted, which removes not only the current Mac operating...